Abstract: The inventions are an optical film containing cellulose acylate and a compound having a structure denoted by General Formula (A) described below, and a polarizing plate and a liquid crystal display device employing the optical film. L represents n-valent connecting group, n represents an integer of greater than or equal to 2, and A represents a heterocyclic group denoted by General Formula (I). R1, R3, and R5 represent a hydrogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an aryl group, or a heteroaryl group. Here, any one of R1, R3, and R5 is bonded to L.

Abstract: A cellulose acylate film, containing at least: a cellulose acylate; and a compound represented by the following Formula (I): wherein R1, R3 and R5 each independently designate a hydrogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, or an aromatic group, which groups may have a further substituent; with the proviso that at least one of R1, R3 and R5 is an alkyl group substituted with a group having a ring structure or a cycloalkyl group, and the total number of the ring structures existing in R1, R3 and R5 is 3 or more.

Abstract: A copolymer includes a fumaronitrile residue represented by following General Formula I and an aromatic vinyl monomer residue represented by following General Formula II: wherein, in General-Formula II, R1 is a hydrogen atom, a methyl-group or a phenyl-group, and R2 is a hydrogen atom or a substituted or unsubstituted aryl-group having 6 to 12 carbon atoms, and each of R3, R4, R5, R6 and R7 independently represents a hydrogen atom, a halogen atom, a hydroxy-group, an alkoxy-group having 1 to 4 carbon atoms, an acyloxy-group having 2 to 5 carbon atoms, a cyanomethyl-group, or an alkyl-group having 1 to 8 carbon atoms, and at least two of R2, R3 and R4 may be bonded to form a ring, and at least two of arbitrary substituents of R3, R4, R5, R6 and R7 may be bonded to form a ring.

Abstract: There is provided an optical film including a (meth)acrylic resin having a cyclic structure in its main chain as a main component, a compound represented by Formula (1) below, and a rubber elastic body: where each of R1 to R8 independently represents a hydrogen atom, a halogen atom, a hydroxyl group or a hydrocarbon group having 1 to 12 carbon atoms, X represents a divalent alicyclic group having 4 to 20 carbon atoms, and the alicyclic group represented by X may have at least one substituent selected from a halogen atom, an aliphatic hydrocarbon group having 1 to 12 carbon atoms and an aromatic hydrocarbon group having 6 to 15 carbon atoms.

Abstract: A resin of the present disclosure includes a resin and a compound represented by General Formula I below. wherein each of R1, R2, R3, R4, R5, R6, R7 and R8 represents a hydrogen atom, a halogen atom, a hydroxyl group, or an aliphatic hydrocarbon group having a carbon number within a range from 1 to 8, and X represents a divalent linking group constituted by at least one species selected from among a single bond, an ether bond, and an alkylene group having a carbon number within a range from 1 to 15.

Abstract: There is provided an optical film comprising a (meth)acrylic resin as a main component, a compound represented by the specific formula, and a rubber elastic body, and a method of manufacturing an optical film through a solution film-forming method, in which the optical film is composed of a (meth)acrylic resin as a main component, and contains a compound represented by the specific formula and a rubber elastic body, and a polarizing plate protective film having the optical film, and a polarizing plate having the polarizing plate protective film, and a liquid crystal display device provided with the polarizing plate.

Abstract: An optical film including cellulose acylate and a compound represented by General Formula (I) described below, a polarizing plate, and a liquid crystal display device; R1 and R3 represent hydrogen atoms, alkyl groups having 1 to 20 carbon atoms, cycloalkyl groups having 3 to 20 carbon atoms, alkenyl groups having 2 to 20 carbon atoms, or aromatic groups having 6 to 20 carbon atoms. R5 represents a hydrogen atom, an unsubstituted alkyl group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 20 carbon atoms, an alkenyl group having 2 to 20 carbon atoms, or an aralkyl group represented by -L5-Ar5 (L5 represents an alkylene group having 1 to 20 carbon atoms and Ar5 represents an aromatic group having 6 to 20 carbon atoms). Here, the total of ring structures present in R1, R3, and R5 is one or two.

Abstract: A cellulose acylate film containing at least one compound represented by the following Formula (I) or (II), and cellulose acylate, a polarizing plate using the same and a liquid crystal display device using the same, wherein in Formula (I), R1 represents an alkyl group; R2 and R3 each represent a hydrogen atom, an alkyl or an aryl group; R4 represents an alkyl group; Ar1 represents an aromatic group; m and n are integers; provided that when n is 1, Ar1 represents an aromatic group; and in Formula (II), R11 to R14 each represent a hydrogen atom, or an alkyl group; R11 and R12, and/or, R13 and R14 may form a ring; R15 and R17 each represent an alkyl group; and R16 and R18 each represent a hydrogen atom or alkyl group; Ar represents an arylene group; and 1, m1 and n1 are integers.

Abstract: There is provided an optical film comprising a layer formed on a base film by curing a curable composition containing the specific component (A) in an amount of 50 to 99% by mass and the specific component (B) in an amount of 1 to 50% by mass, based on the total solid content of the curable composition when the total solid content of the curable composition is set to 100% by mass.

Abstract: A polarizing plate includes two protective films and a polarizer provided between the two protective films, and the polarizer has a thickness of 3 ?m to 18 ?m, at least one of the protective films has a thickness of 3 ?m to 40 ?m and contains at least one resin and a compound in an amount of 1 part by mass to 20 parts by mass based on 100 parts by mass of the resin, the compound having at least one hydrogen-donating group capable of forming a hydrogen bond and a ratio of molecular weight to number of aromatic rings of 300 or less, and the polarizing plate has a thickness of 15 ?m to 70 ?m.

Abstract: The optical film of the present invention is an optical film including a thermoplastic resin, in which the optical film has a moisture permeability of 70 g/m2/day or less (in terms of a film thickness of 40 ?m), and contains a moisture permeability-reducing compound having a molecular weight of 200 or more and satisfying Formula (1) described below. Formula (1) A/B?0.9 (A represents a moisture permeability of an optical film in a case in which 10 mass % of the moisture permeability-reducing compound is added to the mass of the thermoplastic resin, and B represents a moisture permeability of an optical film in a case in which the thermoplastic resin is included and the moisture permeability-reducing compound is not added.

Abstract: A cellulose acylate film containing a cellulose acylate and a specific polymer, the specific polymer containing a repeating unit derived from a monomer represented by formula (1): wherein R1 represents a hydrogen atom or an aliphatic group having 1 to 4 carbon atoms; R2 represents a substituent; (A) represents an atomic group necessary to form a 5- or 6-membered ring; and n represents an integer of 0 to 4.

Abstract: To provide a cellulose acylate film having low moisture permeability and low haze, a polarizing plate, and a liquid crystal display device using the same.

Abstract: A cellulose acylate film containing a cellulose acylate and a specific polymer, the specific polymer containing a repeating unit derived from a monomer represented by formula (1): wherein R1 represents a hydrogen atom or an aliphatic group having 1 to 4 carbon atoms; R2 represents a substituent; (A) represents an atomic group necessary to form a 5- or 6-membered ring; and n represents an integer of 0 to 4

Abstract: A cellulose acylate film containing at least one compound represented by the following Formula (I) or (II), and cellulose acylate, a polarizing plate using the same and a liquid crystal display device using the same, wherein in Formula (I), R1 represents an alkyl group; R2 and R3 each represent a hydrogen atom, an alkyl or an aryl group; R4 represents an alkyl group; Ar1 represents an aromatic group; m and n are integers; provided that when n is 1, Ar1 represents an aromatic group; and in Formula (II), R11 to R14 each represent a hydrogen atom, or an alkyl group; R11 and R12, and/or, R13 and R14 may form a ring; R15 and R17 each represent an alkyl group; and R16 and R18 each represent a hydrogen atom or alkyl group; Ar represents an arylene group; and l, m1 and n1 are integers.

Abstract: A polarizing plate includes, in the following order: a transparent protective film; an adhesive layer; and a polarizer, and the transparent protective film has a thickness of from 5 to 60 ?m and contains at least one resin and a compound (A) having at least one hydrogen bond-forming hydrogen-donating group and a ratio of a molecular weight to an aromatic ring number of 190 or less.

Abstract: A cellulose derivative and a resin composition having good thermoplasticity, strength, and elongation at break and therefore suited to molding processing are provided. The cellulose derivative is derived by replacing at least part of the hydrogen atoms of the hydroxyl groups of cellulose with a hydrocarbon group and an aliphatic or aromatic oxycarbonyl group.

Abstract: A method of producing a cellulose derivative film, the method comprising: forming a film with a solvent cast method from a dope including a cellulose derivative satisfying following conditions (a) and (b): (a) at least one among three hydroxyl groups included in a glucose unit of cellulose is substituted by a substituent of which a polarizability anisotropy ?? represented as following Expression (1) is 2.5×10?24 cm3 or higher: Expression (1): ??=?x?(?y+?z)/2, wherein ?x, ?y and ?z is as defined in the specification; and (b) when a substitution degree by a substituent of which ?? is 2.5×10?24 cm3 or higher is PA, and a substitution degree by a substituent of which ?? is lower than 2.5×10?24 cm3 is PB, the PA and PB satisfy following Expressions (3) and (4): Expression (3): 2PA+PB>3.0; and Expression (4): PA>0.2.

Abstract: A cellulose derivative film having high optical isotropy over the whole visible region and high durability against high temperature and humidity conditions is provided. The film contains a cellulose derivative having a substituent the polarizability anisotropy ?? (=?x?(?y+?z)/2) of which is 2.5×10?24 cm3 or more, and the film has an in-plane retardation Re and a thickness direction retardation Rth satisfying the respective inequalities: |Rth(589)|?25 nm and |Re(589)|?10 nm. Also provided are an optical compensation film, a polarizing plate, and a liquid crystal device that use the cellulose derivative film and exhibit excellent viewing angle characteristics and durability.

Abstract: A cellulose resin composition for melt molding, containing a cellulose derivative having two or more kinds of aliphatic oxy groups having different carbon numbers (—OR) (wherein R represents an aliphatic group which may be unsubstituted or substituted), wherein a difference in carbon number between the aliphatic oxy group having the largest carbon number and the aliphatic oxy group having the smallest carbon number is 1 to 18. The cellulose resin composition can provide good thermoplasticity and excellent mechanical strength, and can be used to prepare a molded body and a case for electric and electronic devices.